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* [ELF] Assign RF_EXEC rank even if --no-rosegment or SECTIONS command is usedFangrui Song2018-06-261-1/+1
| | | | | | | | | | | | | | | | | Summary: Currently when --no-rosegment is specified or a linker script with SECTIONS command is used, .rodata (A) .text (AX) are assigned the same rank and .rodata may be placed after .text . This increases the gap between .text and .bss and can cause pc-relative relocation overflow (e.g. gcc crtbegin.o crtbegin.S have R_X86_64_PC32 relocation from .text to .bss). This patch makes SingleRoRx affect only segment layout, not section layout. As a consequence, .rodata will be placed before .text regardless of SingleRoRx. Reviewers: espindola, ruiu, grimar, echristo, javed.absar Subscribers: emaste, arichardson, llvm-commits Differential Revision: https://reviews.llvm.org/D48405 llvm-svn: 335627
* Check the produced file instead of stderr.Rafael Espindola2017-06-281-2/+3
| | | | | | | | | | It is somewhat pointless to check that a specific error is not produced. That is already checked by the ld.lld exit value. Instead make the test a bit stronger by checking that the output file has the expected symbol and section. llvm-svn: 306496
* [ELF] Mark symbols referenced from linker script as livePetr Hosek2017-06-151-0/+16
This is necessary to ensure that sections containing symbols referenced from linker scripts (e.g. in data commands) don't get GC'd. Differential Revision: https://reviews.llvm.org/D34195 llvm-svn: 305452
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